

package com.hazelcast.map.impl.mapstore.writebehind;

import com.hazelcast.map.impl.mapstore.MapStoreContext;
import com.hazelcast.map.impl.mapstore.writebehind.entry.DelayedEntry;

/**
 * A class providing static factory methods that create write behind queues.
 */
public final class WriteBehindQueues {

    private WriteBehindQueues() {
    }

    public static WriteBehindQueue<DelayedEntry> createDefaultWriteBehindQueue() {
        return createSynchronizedWriteBehindQueue(createCoalescedWriteBehindQueue());
    }

    public static WriteBehindQueue<DelayedEntry> createBoundedWriteBehindQueue(MapStoreContext mapStoreContext) {
        NodeWideUsedCapacityCounter counter = mapStoreContext.getMapServiceContext().getNodeWideUsedCapacityCounter();
        return createSynchronizedWriteBehindQueue(createBoundedWriteBehindQueue(createCyclicWriteBehindQueue(), counter));
    }

    static WriteBehindQueue<DelayedEntry> createCoalescedWriteBehindQueue() {
        return new CoalescedWriteBehindQueue();
    }

    static <T extends DelayedEntry> WriteBehindQueue<T> createBoundedWriteBehindQueue(WriteBehindQueue<T> queue, NodeWideUsedCapacityCounter counter) {
        return new BoundedWriteBehindQueue<>(queue, counter);
    }

    private static <T> WriteBehindQueue<T> createSynchronizedWriteBehindQueue(WriteBehindQueue<T> queue) {
        return new SynchronizedWriteBehindQueue<>(queue);
    }

    private static WriteBehindQueue<DelayedEntry> createCyclicWriteBehindQueue() {
        return new CyclicWriteBehindQueue();
    }
}
